redis command "KEYS *" for memcached

keys_memcached

# It's not possible to have a "KEYS *" command in memcached directly
# but could achieve by two steps

➜  ~  telnet 127.0.0.1 11211
Trying 127.0.0.1...
Connected to localhost.
Escape character is '^]'.
set one 0 60 1
1
STORED
set two 0 60 1
2
STORED
set three 0 60 1
3
STORED
stats items
STAT items:1:number 3
STAT items:1:age 20
STAT items:1:evicted 0
STAT items:1:evicted_nonzero 0
STAT items:1:evicted_time 0
STAT items:1:outofmemory 0
STAT items:1:tailrepairs 0
STAT items:1:reclaimed 0
STAT items:1:expired_unfetched 0
STAT items:1:evicted_unfetched 0
END
stats slabs
STAT 1:chunk_size 96
STAT 1:chunks_per_page 10922
STAT 1:total_pages 1
STAT 1:total_chunks 10922
STAT 1:used_chunks 3
STAT 1:free_chunks 10919
STAT 1:free_chunks_end 0
STAT 1:mem_requested 209
STAT 1:get_hits 0
STAT 1:cmd_set 3
STAT 1:delete_hits 0
STAT 1:incr_hits 0
STAT 1:decr_hits 0
STAT 1:cas_hits 0
STAT 1:cas_badval 0
STAT 1:touch_hits 0
STAT active_slabs 1
STAT total_malloced 1048512
END
stats cachedump 1 10  
ITEM three [1 b; 1366725182 s]
ITEM two [1 b; 1366725175 s]
ITEM one [1 b; 1366725166 s]
END
stats cachedump 1 2
ITEM three [1 b; 1366725182 s]
ITEM two [1 b; 1366725175 s]
END